Precision Ball Bearings

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Super Precision Bearings are designed to meet demanding needs of special applications including high accuracy, high rotational speed and high rigidity. Optimal materials and internal design, give super precision bearings the highest level of accuracy. NSK offers several types of super precision bearing, including the ROBUST series.

Product Features and Benefits:Optimum design - Achieved by computer simulation of temperature rise resulting from ball skid.Long life - Range of material specification including high quality ultra clean steel, extra pure and advanced material SHX patented by NSK. High accuracy - Rolling elements with precision class P2 series available in standard steel and ceramic material. Low Noise - Quieter running high-speed spindle featuring Spinshot II Lubrication System. Extension range of cage material options, available in high speed design including - brass, engineered polymer and phenolic. Optional seals available within the standard ISO envelope. High rotational speed. Minimum friction and heat generation.Controlled rigidity

Bearing Number	Bore Dia	Outer DIa	Width	Size
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 1.417 Inch \| 36 Millimeter TIMKEN 3MM208WI DUH Precision Ball Bearings	90 mm	9.7600 in	7.7900 in	Double V-Lock
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 1.339 Inch \| 34 Millimeter TIMKEN 3MM207WI DUH Precision Ball Bearings	0.3125 in	7500 lb	7 °	750 lb
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 0.669 Inch \| 17 Millimeter TIMKEN 3MM207WI SUM Precision Ball Bearings	1.250 in	Steel	7 °	44500 lbs
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 0.669 Inch \| 17 Millimeter TIMKEN 3MM207WI SUL Precision Ball Bearings	0.2500 in	5370 lb	8 °	537 lb
1.181 Inch \| 30 Millimeter x 2.441 Inch \| 62 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM206WI TUL Precision Ball Bearings	1.1250 in	4410 lbf	PBT Thermoplastic	2540 lbf
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 0.472 Inch \| 12 Millimeter TIMKEN 3MM9309WI SUL Precision Ball Bearings	5.2500 in	0.13 in	1.2813 in	Class 2
1.181 Inch \| 30 Millimeter x 2.441 Inch \| 62 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM206WI TUM Precision Ball Bearings	15.1875 in	Open	TDO Assembly	Steel
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 1.339 Inch \| 34 Millimeter TIMKEN 3MM207WI DUL Precision Ball Bearings	50 mm	ABEC 1 (ISO Class Normal)	130 mm	Uncoated
1.181 Inch \| 30 Millimeter x 2.441 Inch \| 62 Millimeter x 0.63 Inch \| 16 Millimeter TIMKEN 3MM206WI SUM Precision Ball Bearings	0.6250 in	1000 lb	1.3440 in	Grease
1.181 Inch \| 30 Millimeter x 2.441 Inch \| 62 Millimeter x 0.63 Inch \| 16 Millimeter TIMKEN 3MM206WI SUL Precision Ball Bearings	1.3750 in	2770 lbf	Cast Iron - Teflon Protection	PF3/4
1.772 Inch \| 45 Millimeter x 2.677 Inch \| 68 Millimeter x 1.89 Inch \| 48 Millimeter TIMKEN 3MM9309WI QUM Precision Ball Bearings	25 mm	Contact with Flinger	90 mm	44.4 mm
5.118 Inch \| 130 Millimeter x 7.874 Inch \| 200 Millimeter x 2.598 Inch \| 66 Millimeter TIMKEN 2MM9126WI DUL Precision Ball Bearings	3.5000 in	Slotted	2.0000 in	1-3/8-12